ui.R

## app.R ##
library(shiny)
library(shinydashboard)
#library(jsonlite)
library(anytime)
#library(leaflet)

ui <- dashboardPage(
  skin="purple",
  
  dashboardHeader(title="CoCoVisR"),
  dashboardSidebar(
    sidebarMenu(
      id="tabs",
      menuItem("Upload", tabName = "upload", icon =icon("upload")),
      menuItem("Data", tabName = "data", icon =icon("list")),
      menuItem("Views", tabName = "views", icon = icon("cog")),
     # menuItem("Dashboard", tabName = "dashboard", icon = icon("dashboard")),
      menuItem("Help", tabName = "help", icon = icon("book"))
    )
  ),
  
  dashboardBody(
    #tags$head(
    #  tags$link(rel = "stylesheet", type = "text/css", href = "custom.css")
    #),
    
    tabItems(
      # Upload tab content
      tabItem(tabName = "upload",
              h2("Upload your data here:"),
              fileInput("nut", "Select CoConUT Data (*.json):",
                        multiple = TRUE,
                        accept = c(
                          "text/json",
                          "text/comma-separated-values,text/plain",
                          ".json")),
              fileInput("quest", "Select CoCoQuest Data (*.json):",
                        multiple = TRUE,
                        accept = c(
                          "text/json",
                          "text/comma-separated-values,text/plain",
                          ".json")),
              actionButton("dataSite", "Go to Data")
              
      ),
      
      #show data tab content
      tabItem(tabName = "data",
              
                h2("Look into the CoConUT Data:"),
                h4("Last Loaded CoConUT Data: "),
                textOutput("lastLoadedNut"),
                dataTableOutput("nut"),
               
                h2("Look into the CoCoQuest Data:"),
                h4("Last Loaded CoCoQuest Data: "),
                textOutput("lastLoadedQuest"),
                #h4("Starttime: "),
                #textOutput("totalStarttime"),
                dataTableOutput("quest"),
              actionButton("viewSite", "go to Views")
      ),
      
      
      # Controls tab content
      tabItem(tabName = "views",
              fluidPage(
                fluidRow(
                  
                  sidebarLayout(
                    sidebarPanel(
                      h2("Set the Views here:"),      
                       textInput("title", "Title", " "),
                       tabsetPanel(
                                       tabPanel("Barchart",
                                       #Barchart
                                       checkboxInput("check_hist", "Barchart", FALSE),
                                       selectInput("bar_x", "x-axis", choices=colnames(coconut.df)),
                                       selectInput("bar_y", "y-axis", choices=colnames(coconut.df))
                                       #uiOutput("input_hist_x"),
                                       #uiOutput("input_hist_y")
                                       ),
                                       #TIMELINE
                                       tabPanel("Timeline",
                                       checkboxInput("check_time", "Timeline", FALSE),
                                       textOutput("texttimeline")
                                       #selectInput("time_data", "data", choices=colnames(coconut.df))
                                       #uiOutput("input_time_x"),
                                       #uiOutput("input_time_y")
                                       ),
                                       #Linechart
                                       tabPanel("Linechart",
                                       checkboxInput("check_line", "Linechart", FALSE),
                                       selectInput("line_x", "x-axis", choices=colnames(coconut.df)),
                                       selectInput("line_y", "y-axis", choices=colnames(coconut.df))
                                       #uiOutput("input_line_x"),
                                       #uiOutput("input_line_y")
                                       ),
                                       #Scatterplot
                                       tabPanel("Scatterplot",
                                                checkboxInput("check_scat", "Scatterplot", FALSE),
                                                selectInput("scat_x", "x-axis", choices=colnames(coconut.df)),
                                                selectInput("scat_y", "y-axis", choices=colnames(coconut.df))
                                                ),
                                       #Boxplot
                                       tabPanel("Boxplot",
                                                checkboxInput("check_box", "Boxplot", FALSE),
                                                selectInput("box_x", "x-axis", choices=colnames(coconut.df))#,
                                                #selectInput("box_y", "y-axis", choices=colnames(coconut.df))
                                       ),
                                       #MAP
                                       tabPanel("Map",
                                       checkboxInput("check_map", "Map", FALSE),
                                       selectInput("map_data", "data", choices=colnames(coconut.df))
                                       )
                       )
                  ),
                    mainPanel(column(width = 12,
                                   
                                   h2(textOutput("title")),
                                   
                                   uiOutput("hist_box"),
                                   uiOutput("time_box"),
                                   #timevisOutput("time"),
                                   uiOutput("line_box"),
                                   uiOutput("scat_box"),
                                   uiOutput("box_box"),
                                   uiOutput("map_box"),
                                  
                                   actionButton("screenshot","Download")))
              
                
                
                )#end sidebarlayout
                
                )  #end fluidrow     
              )#end fluidpage
              
              #uiOutput("input_map_y"),
              #actionButton("dashboardSite", "go to dashboard")
      ),
      
      # Dashboard tab content
      #tabItem(tabName = "dashboard",
              #h2(textOutput("title")),
              #fluidRow(
                #tabBox(
                  #title = "First tabBox",
                  # The id lets us use input$tabset1 on the server to find the current tab
                  #id = "tabset1", height = "250px",
                  #tabPanel("Tab1", "First tab content"),
                  #tabPanel("Tab2", "Tab content 2")
                #),
                
               
                #uiOutput("hist_box"),
                #uiOutput("time_box"),
               # uiOutput("line_box"),
                #uiOutput("map_box")
                
             # )
              #actionButton("screenshot","Download")
              
              #downloadButton("downButton", "Download")
              
      #),
      
      # Help tab content
      tabItem(tabName = "help",
              h2("I am here to Help."),
              "This tool was created to help visualize and analyse data which is recorded with the CoConUT and CoCoQuest Applications.",
              h3("Uploading Data"),
              "Please make sure the files you want to upload are *.json files  Otherwise the upload won't work.", br(),
              "For uploading you have to click on the 'Browse'-Button and an explorer-window will open.", br(),
              "Please navigate to the wanted file, select it and click on 'open'. 
              Then the name of the selected file and a loadingbar will apear. 'Upload complete' will show you that the upload worked and is finished.", br(),
              "Please make sure, that you upload the right data into the right field. If not please upload the correct file in the right fields. ", br(),
              "First field: CoConUT and second field: CoCoQuest. Otherwise the visualization won't work.",
              h3("Data"),
              "After correctly loading up the right json files, in this vies will apear a table that shows the data that were red from the jsons. Also the names of the loaded files will apear, here you can check again, if the uploaded files where the right ones.", br(),
              h3("Controlls"),
              "On this page you are able to select the visualizations you want to use and which data should be in them.", br(), "Also you can enter the title of your dashboard.",
              "To show a visualization on the dashboard you have to enable the right checkbox. After that you need to select the x- and y-axis for this visualisation and then it will be added to the dashboard. ",
              h3("Dashboard"),
              "Here you can now find your selected visualizations. Also there is a download button which will create a screenshot which you can save on your device.", br()
      )
    
    
    ))
)